"Shiawase no Katachi ~Send My Heart~" is the 44th single released by THE ALFEE and last on the Pony Canyon label. It was released as an 8cm CD. The title track was used as the CM song for Toho Mutual Life Insurance. The single reached #10 on the Oricon weekly chart and charted for five weeks, selling 66,020 copies. It was not included on a studio album.